Pkg xen devel - Nov 2010 - Bug#602378: xen-hypervisor-4.0-amd64: Live migration of Guests crashes and reboots

Package: xen-hypervisor-4.0-amd64
Version: 4.0.1-1
Severity: grave
Tags: squeeze sid
Justification: causes non-serious data loss

Live migration of a guest (running CentOS 5.5, Paravirtualized) crashes the
target-host
(Hardware: Dell R610, 2x Xeon 5620, 16Gb RAM, Perc/700-Raid)

(XEN) ----[ Xen-4.0.1  x86_64  debug=n  Not tainted ]----
(XEN) CPU:    9
(XEN) RIP:    e008:[<ffff82c4801151f6>] free_heap_pages+0x366/0x4b0
(XEN) RFLAGS: 0000000000010286   CONTEXT: hypervisor
(XEN) rax: ffff8301000017c0   rbx: ffff82f602e4b080   rcx: ffff8315ffffffe0
(XEN) rdx: ffff8315ffffffe0   rsi: 00000000ffffffff   rdi: 0000000000172585
(XEN) rbp: 0000000000000000   rsp: ffff8304265c7888   r8:  0000000000000020
(XEN) r9:  0000000000000001   r10: 0200000000000000   r11: 0080000000000000
(XEN) r12: ffff82f602e4b0a0   r13: 00007d0a00000000   r14: 0180000000000000
(XEN) r15: 000000000000017c   cr0: 0000000080050033   cr4: 00000000000026f0
(XEN) cr3: 000000019fc73000   cr2: ffff8315ffffffe4
(XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: e010   cs: e008
(XEN) Xen stack trace from rsp=ffff8304265c7888:
(XEN)    0000000000000001 ffff82c48037a4c0 000000000000017c 000000000000001
(XEN)    ffff8301725870b0 ffff830203200000 ffff82f602e4b080 000000000000000
(XEN)    0000000000000001 000000000007f43a 0000000000000000 ffff82c48011548
(XEN)    0000000000000206 ffff82f602e4b080 ffff83021fa470d8 ffff83020320000
(XEN)    ffff83021fa470d8 ffff83021fa48000 0000000000000000 ffff83020320000
(XEN)    007fffffffffffff ffff82c48015f618 000000000000e510 ffff83042655000
(XEN)    00000000003fb288 80000003fb288167 ffff830426550000 140000000000001
(XEN)    ffff82f6043f48e0 1400000000000001 ffff8304265c7f28 ffff82f6043f480
(XEN)    007fffffffffffff ffff82c48015fa1c 8000000150b3e167 000000000000000
(XEN)    000000000016d754 ffff82c400800167 0000000000000002 ffff8300cf66800
(XEN)    80000004248a8767 ffff82c48015d179 0000000000800165 ffff82f6043f480
(XEN)    00000000000001e6 ffff83021116e000 0000000000000067 00000000002111e
(XEN)    ffff830203200000 ffff82c48015f277 2100000000000001 ffff82f604222d0
(XEN)    00000000000001e6 ffff83021116e000 0000000000000001 ffff82c48015f6e
(XEN)    000000000000004d ffff82c48014605a ffff8304265c7f28 ffff880227cbdd8
(XEN)    0000000000000004 2100000000000001 ffff82f604222dc0 210000000000001
(XEN)    ffff8304265c7f28 ffff82f604222dd0 007fffffffffffff ffff82c48015fac
(XEN)    0000000000171d3c ffff830171d3c740 0000000000000001 000000000000000
(XEN)    00000000000000e8 ffff82f602e3a780 0500000000000000 ffff82c48037a90
(XEN)    f000000000000000 ffff82f604222dc0 0000000000000001 00000000fffffff
(XEN) Xen call trace:
(XEN)    [<ffff82c4801151f6>] free_heap_pages+0x366/0x4b0
(XEN)    [<ffff82c480115488>] free_domheap_pages+0x148/0x380
(XEN)    [<ffff82c48015f618>] free_page_type+0x388/0x650
(XEN)    [<ffff82c48015fa1c>] __put_page_type+0x13c/0x2d0
(XEN)    [<ffff82c48015d179>] is_iomem_page+0x9/0x90
(XEN)    [<ffff82c48015f277>] put_page_from_l2e+0xf7/0x110
(XEN)    [<ffff82c48015f6ee>] free_page_type+0x45e/0x650
(XEN)    [<ffff82c48014605a>] event_check_interrupt+0x2a/0x30
(XEN)    [<ffff82c48015fa1c>] __put_page_type+0x13c/0x2d0
(XEN)    [<ffff82c4801601a9>] put_page_from_l3e+0x79/0x140
(XEN)    [<ffff82c48015f573>] free_page_type+0x2e3/0x650
(XEN)    [<ffff82c48015fa1c>] __put_page_type+0x13c/0x2d0
(XEN)    [<ffff82c480146541>] smp_apic_timer_interrupt+0x51/0x90
(XEN)    [<ffff82c480146541>] smp_apic_timer_interrupt+0x51/0x90
(XEN)    [<ffff82c4801c8595>] sh_remove_shadows+0xa5/0xb60
(XEN)    [<ffff82c4801602c7>] put_page_from_l4e+0x57/0xd0
(XEN)    [<ffff82c48015f477>] free_page_type+0x1e7/0x650
(XEN)    [<ffff82c48015fa1c>] __put_page_type+0x13c/0x2d0
(XEN)    [<ffff82c48015d7b8>] get_page+0x28/0xf0
(XEN)    [<ffff82c48014f338>] relinquish_memory+0x278/0x450
(XEN)    [<ffff82c48014f989>] domain_relinquish_resources+0x1d9/0x270
(XEN)    [<ffff82c48010611b>] domain_kill+0x7b/0x100
(XEN)    [<ffff82c480103f54>] domctl_lock_acquire+0x44/0x70
(XEN)    [<ffff82c48010465e>] do_domctl+0x4ae/0x1050
(XEN)    [<ffff82c48014ab4d>] vcpu_kick+0x1d/0x80
(XEN)    [<ffff82c48015d7b8>] get_page+0x28/0xf0
(XEN)    [<ffff82c4801e9169>] syscall_enter+0xa9/0xae
(XEN)
(XEN) Pagetable walk from ffff8315ffffffe4:
(XEN)  L4[0x106] = 00000000cf56d027 5555555555555555
(XEN)  L3[0x057] = 0000000000000000 ffffffffffffffff
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 9:
(XEN) FATAL PAGE FAULT
(XEN) [error_code=0002]
(XEN) Faulting linear address: ffff8315ffffffe4
(XEN) ****************************************
(XEN)
(XEN) Reboot in five seconds...



-- System Information:
Debian Release: squeeze/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-5-xen-amd64 (SMP w/16 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

xen-hypervisor-4.0-amd64 depends on no packages.

Versions of packages xen-hypervisor-4.0-amd64 recommends:
ii  xen-utils-4.0                 4.0.1-1    XEN administrative tools

Versions of packages xen-hypervisor-4.0-amd64 suggests:
pn  xen-docs-4.0                  <none>     (no description available)

-- no debconf information

severity 602378 important
thanks

On Thu, Nov 04, 2010 at 12:01:40PM +0100, Andreas.Balg at sf.tv
wrote:
> Live migration of a guest (running CentOS 5.5, Paravirtualized) crashes the
target-host
> (Hardware: Dell R610, 2x Xeon 5620, 16Gb RAM, Perc/700-Raid)
Please provide the complete Xen log. It most likely shows "PFN
compression", which is somewhat broken according to
<BAY121-W4629FE3344480F9671824CDA850 at phx.gbl>[1].

Bastian

[1]: http://mid.gmane.org/BAY121-W4629FE3344480F9671824CDA850 at phx.gbl
-- 
Schshschshchsch.
		-- The Gorn, "Arena", stardate 3046.2

On Thu, Nov 04, 2010 at 05:39:10PM +0100, Andreas.Balg at sf.tv
wrote:
> Contact me for any further information
I meant hypervisor log, aka "xm dmesg".

Bastian

-- 
You can't evaluate a man by logic alone.
		-- McCoy, "I, Mudd", stardate 4513.3

Processing control commands:
> tag -1 +moreinfo
Bug #602378 [src:xen] xen-hypervisor-4.0-amd64: Live migration of Guests crashes
and reboots
Added tag(s) moreinfo.

-- 
602378: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=602378
Debian Bug Tracking System
Contact owner at bugs.debian.org with problems

Processing control commands:
> tag -1 +moreinfo
Bug #602378 [src:xen] xen-hypervisor-4.0-amd64: Live migration of Guests crashes
and reboots
Ignoring request to alter tags of bug #602378 to the same tags previously set

-- 
602378: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=602378
Debian Bug Tracking System
Contact owner at bugs.debian.org with problems